Rock Mills, Alabama climate: Normal weather by month, frost dates and records
Rock Mills's normal year runs from 32°F January nights to 89°F July afternoons, with 53.0 inches of precipitation a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 16.6°C, January lows of 0°C, July highs of 32°C, 1,347 mm of precipitation a year.
- NOAA stationRock Mills
- Station IDUSC00017025
- Location33.16°N 85.29°W
- Elevation750 ft (229 m)
- Population (census place)437
On October 23, the normal high in Rock Mills is 73°F and the normal low 47°F, and the chance of measurable rain or snow is 19%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Rock Mills.
- Jan 54° 32°
- Feb 60° 36°
- Mar 68° 42°
- Apr 75° 48°
- May 82° 57°
- Jun 87° 65°
- Jul 89° 68°
- Aug 89° 68°
- Sep 85° 61°
- Oct 75° 49°
- Nov 65° 40°
- Dec 57° 35°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
What is the weather like in Rock Mills each month?
July is the warmest month, with normal highs of 89°F; January the coldest, with normal lows of 32°F. The most precipitation falls in February (5.34 in), the least in October (2.78 in).
| Month | High | Low | Mean | Precip. | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|
| January | 54°F | 32°F | 43.2°F | 5.27 | 10 | <1 | 19 | 10 h 10 min |
| February | 60°F | 36°F | 47.9°F | 5.34 | 9 | <1 | 15 | 11 h |
| March | 68°F | 42°F | 54.7°F | 5.23 | 9 | <1 | 8 | 12 h |
| April | 75°F | 48°F | 61.6°F | 4.37 | 8 | <1 | 2 | 13 h |
| May | 82°F | 57°F | 69.6°F | 4.11 | 8 | 4 | <1 | 13 h 50 min |
| June | 87°F | 65°F | 76.1°F | 4.85 | 10 | 14 | <1 | 14 h 20 min |
| July | 89°F | 68°F | 78.1°F | 4.47 | 11 | 21 | <1 | 14 h 10 min |
| August | 89°F | 68°F | 78.1°F | 4.02 | 9 | 17 | <1 | 13 h 30 min |
| September | 85°F | 61°F | 72.9°F | 3.39 | 6 | 8 | <1 | 12 h 30 min |
| October | 75°F | 49°F | 62.2°F | 2.78 | 6 | <1 | 2 | 11 h 20 min |
| November | 65°F | 40°F | 52.1°F | 4.12 | 6 | <1 | 11 | 10 h 30 min |
| December | 57°F | 35°F | 45.8°F | 5.08 | 9 | <1 | 17 | 10 h |
| Year (annual) | 74°F | 50°F | 61.9°F | 53.03 | 100 | 63 | 73 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. |
|---|---|---|---|---|
| January | 12°C | 0°C | 6.2°C | 134 mm |
| February | 16°C | 2°C | 8.8°C | 136 mm |
| March | 20°C | 5°C | 12.6°C | 133 mm |
| April | 24°C | 9°C | 16.4°C | 111 mm |
| May | 28°C | 14°C | 20.9°C | 104 mm |
| June | 31°C | 18°C | 24.5°C | 123 mm |
| July | 32°C | 20°C | 25.6°C | 114 mm |
| August | 32°C | 20°C | 25.6°C | 102 mm |
| September | 29°C | 16°C | 22.7°C | 86 mm |
| October | 24°C | 10°C | 16.8°C | 71 mm |
| November | 18°C | 4°C | 11.2°C | 105 mm |
| December | 14°C | 1°C | 7.7°C | 129 mm |
NOAA publishes no 1991-2020 snowfall normal for this station. The nearest record that keeps one, West Point (20 miles away), gets 0 inches of snow in a normal year; elevation and distance can change that.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00017025; annual normals. Wet days: 0.01 inch or more; 90°F days and freezing nights: NOAA's day counts. Daylight: sunrise to sunset on the 15th, computed from the latitude.
When is the best weather to visit Rock Mills?
Normal highs sit between 65°F and 85°F in March, April, May, September and October. Of those, October has the fewest days with rain (6).
That is a measurement, not a recommendation: it counts the months whose normal afternoon high sits between 65°F and 85°F, where a light layer is enough by day.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00017025.
When is the last frost in Rock Mills?
In Rock Mills, the last spring frost (32°F) comes after April 2 in half of years and after April 18 in one year in ten; the first autumn frost comes before November 3 in half of years and before October 21 in one year in ten.
Frost-free in half of yearsFrost in 1 to 9 years out of 10Frost most years
- Last spring frost, half of years after
- April 21 year in 10 after April 18; 9 in 10 after March 13
- First autumn frost, half of years before
- November 31 year in 10 before October 21; 9 in 10 before November 19
NOAA puts the median frost-free season at 216 days, and the season without a hard freeze (28°F) at 245 days.
A hard freeze (28°F) comes after March 17 in half of springs and before November 14 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Rock Mills in zone 8a in ZIP code 36274, the nearest ZIP area.
Frost dates for every NOAA station in Alabama · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00017025; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026. A 10% date means one year in ten has a frost after it in spring or before it in autumn.
How hot and how cold does it get in Rock Mills?
In a normal year in Rock Mills, 63 days a year reach 90°F (2 of them 100°F or more), 73 nights fall to 32°F or colder and 100 days bring measurable precipitation.
- Days at 90°F or more
- 63a normal year
- Days at 100°F or more
- 2a normal year
- Nights at 32°F or colder
- 73a normal year
- Days that stay below freezing
- 1high of 32°F or less
- Days with 0.01 inch of precipitation
- 100a normal year
The highest temperature in this station's record (since 1941) is 107°F, on July 25, 1952; the lowest is −1°F, on December 13, 1962.
The wettest calendar year on that record is 1975, with 75.83 in; the snowiest season is 1991–92, with 6.0 inches.
Source: NOAA NCEI 1991-2020 annual normals, station USC00017025; records: ACIS (NOAA Regional Climate Centers), station USC00017025. Records use complete months only; a month missing more than three days is left out.
How sunny is Rock Mills?
Over a year 77% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Rock Mills, 4.5 kWh per square metre a day. July is the sunniest month (80%) and February the cloudiest (67%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 72% | 2.7 |
| February | 67% | 3.2 |
| March | 71% | 4.3 |
| April | 78% | 5.6 |
| May | 79% | 6.1 |
| June | 79% | 6.2 |
| July | 80% | 6.0 |
| August | 80% | 5.5 |
| September | 79% | 4.8 |
| October | 78% | 4.0 |
| November | 77% | 3.1 |
| December | 69% | 2.3 |
Source: NASA POWER solar climatology, 2001-2020 (CERES SYN1deg). Satellite-based, for the 1-degree cell (about 100 km across) around the station, so it describes the area rather than the airport.
How much heating and cooling does Rock Mills need?
A normal year in Rock Mills brings 2,790 heating degree days, 48% fewer than the median U.S. place (5,373), and 1,670 cooling degree days, 84% more than the median (908). Five months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 5,053 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 676 | 0 |
| February | 481 | 1 |
| March | 327 | 8 |
| April | 139 | 37 |
| May | 29 | 170 |
| June | 0 | 333 |
| July | 0 | 406 |
| August | 0 | 408 |
| September | 11 | 247 |
| October | 142 | 56 |
| November | 389 | 4 |
| December | 594 | 1 |
| Year (annual) | 2,790 | 1,670 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00017025. A degree day is one degree of a day's mean temperature below 65°F (heating) or above it (cooling); utilities use them to estimate energy use.
Has Rock Mills been warmer than normal lately?
2025 averaged 63.3°F, 1.4°F above the 1991-2020 normal of 61.9°F. 2 of the 2 complete years since 2023 ran warmer than the normal.
| Year | Mean | Against normal | Precip. |
|---|---|---|---|
| 2023 | 64.5°F | +2.6°F | 50.54 |
| 2025 | 63.3°F | +1.4°F | 43.01 |
Over 30 complete years from 1949 to 2025, the station's annual mean temperature rose at a fitted 1.1°F per century (+0.06°C per decade). A fitted rate summarizes the whole record; single years swing well above and below it.
Source: observed years: ACIS, station USC00017025; trend: NOAA GHCN-Monthly v4. A year counts only with all twelve months complete.
How does Rock Mills's climate compare?
Rock Mills is warmer than 24 of the other 79 places with their own NOAA record in Alabama, and wetter than 3. Across the 7,247 U.S. stations with normals, its annual mean of 61.9°F is warmer than 80%.
In the Köppen classification computed from these normals, Rock Mills is Cfa: temperate, no dry season, hot summer. What the classes mean.
Places with the most similar year elsewhere
Measured month by month on the normal high, low and precipitation, among places of 20,000 or more people in other states:
Source: NOAA NCEI 1991-2020 normals for every station PlainClimate covers. Similarity: the root-mean-square difference of the 36 monthly figures, precipitation weighted so an inch counts like 6°F.
Which places near Rock Mills share this climate record?
7 places have no NOAA station with 1991-2020 normals of their own, and this station is the nearest full record. A place's own climate can differ from these figures, by several degrees where it sits much higher or lower than the station, nearer the coast, or inside a large city's heat; for the larger places the next nearest records are named with their yearly mean, so the spread around them is visible, and places of 50,000 or more have their own page with NOAA's gridded normals.
- Roanoke, AL5,424 people · 5 mi W
- Franklin, GA980 people · 14 mi NE
- Wadley, AL848 people · 16 mi W
- Wedowee, AL751 people · 15 mi NW
- Ephesus, GA496 people · 17 mi N
- Centralhatchee, GA363 people · 18 mi NE
- Glenn, GA16 people · 5 mi E
Source: Census Bureau 2024 Gazetteer (place centers) and Vintage 2024 population estimates. Distance and direction from the station to each place's center.
Questions about Rock Mills's climate
What is the coldest month in Rock Mills?
January, with a normal high of 54°F and a normal low of 32°F. The warmest is July (89°F by day, 68°F at night).
Does it snow in Rock Mills?
Rarely. NOAA publishes no 1991-2020 snowfall normal for Rock Mills's NOAA station; the nearest record that keeps one, West Point (20 miles away), records 0 inches of snow in a normal year.
What is the rainiest month in Rock Mills?
February, with 5.34 in of precipitation in a normal year; the driest is October with 2.78 in.
What plant hardiness zone is Rock Mills in?
The USDA's 2023 map puts Rock Mills in zone 8a in ZIP code 36274, the nearest ZIP area.
How late can frost come in Rock Mills?
In half of years the last 32°F night comes after April 2; in one year in ten it comes after April 18. Waiting until April 18 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Alabama climateThe statewide normals and every place in the state
- LaGrange, GA17 miles from this station, 62.9°F a year
- Lafayette (2 mi W), AL19 miles from this station, 61.2°F a year
- West Point, GA20 miles from this station, 62.2°F a year
- Newnan, GA27 miles from this station, 61.4°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made